Over on YouTube [Applied Science] shows us how to make an f/0.38 camera lens using an oil immersion microscope objective. The f-number of a lens indicates how well it will perform in low-light. To ...
Out on Oklahoma's flat prairie, Medford, population about 900, is the kind of place where people give directions from the four-way stop in the middle of town. It seems pretty sedate, but it's not. "We ...
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